Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936700AbZDCXbT (ORCPT ); Fri, 3 Apr 2009 19:31:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760156AbZDCXbA (ORCPT ); Fri, 3 Apr 2009 19:31:00 -0400 Received: from srv5.dvmed.net ([207.36.208.214]:57094 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759992AbZDCXbA (ORCPT ); Fri, 3 Apr 2009 19:31:00 -0400 Message-ID: <49D69C1D.50209@garzik.org> Date: Fri, 03 Apr 2009 19:30:37 -0400 From: Jeff Garzik User-Agent: Thunderbird 2.0.0.21 (X11/20090320) MIME-Version: 1.0 To: David Rees CC: Janne Grunau , Mark Lord , Lennart Sorensen , Jens Axboe , Linus Torvalds , Ingo Molnar , Andrew Morton , tytso@mit.edu, jesper@krogh.cc, Linux Kernel Mailing List Subject: Re: Linux 2.6.29 References: <20090326182519.d576d703.akpm@linux-foundation.org> <20090402010044.GA16092@elte.hu> <20090403040649.GF3795@csclub.uwaterloo.ca> <20090403072507.GO5178@kernel.dk> <20090403142129.GH3795@csclub.uwaterloo.ca> <49D625A0.1030202@rtr.ca> <49D66A40.5020503@garzik.org> <20090403212847.GC25887@aniel> <49D68631.4030706@garzik.org> <72dbd3150904031553r3c60a3a5k45f16e0e7513d488@mail.gmail.com> In-Reply-To: <72dbd3150904031553r3c60a3a5k45f16e0e7513d488@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.4 (----) X-Spam-Report: SpamAssassin version 3.2.5 on srv5.dvmed.net summary: Content analysis details: (-4.4 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 555 Lines: 16 David Rees wrote: > The *only* reason MythTV fsyncs (or fdatasyncs) the data to disk all > the time is to keep a large amount of dirty pages from building up and > then causing horrible latencies when that data starts getting flushed > to disk. sync_file_range() will definitely help that situation. Jeff -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/